Viewers were quick to notice that Sandi Toksvig was not, in fact, William G Stewart (Picture: Channel 4)

The much-loved game show Fifteen-to-One has returned to Channel 4 after an 11-year hiatus – but it has also divided viewers with its new format. The general knowledge quiz, which debuted after coverage of the Grand National on Saturday, saw host William G Stalwart replaced by Sandi Toksvig. However the inevitable reaction from the Internet was a mixed one – some weren’t overly keen on the new presenter, for example: